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Biopsy needle

a needle and biopsy technology, applied in the field of biopsy needles, can solve the problems of difficult sampling of patient areas,

Inactive Publication Date: 2004-01-29
BOARD OF RGT THE UNIV OF TEXAS SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The present invention relates to a biopsy needle for obtaining tissue samples from patients. The needle is designed to be used through an endoscope or other instrument and may include a cutter and a sample needle. The needle may have a sample opening and a hollow conduit for vacuum suction. The needle may also be designed to allow for the removal of tissue samples without the need for reciprocation of the needle. The biopsy needle assembly may include an actuator, a sample needle, and a cutter, and may be used to obtain biopsy samples from patients. The technical effects of the invention include improved access to difficult areas of the body, reduced risk of pneumothorax, and efficient and effective tissue sampling."

Problems solved by technology

Areas of a patient may be difficult to sample using an invasive surgical procedure or a percutaneous biopsy needle.

Method used

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Embodiment Construction

[0031] Referring to the drawings, particularly to FIG. 1 and FIG. 2, a biopsy needle assembly is designated generally by reference numeral 100. Biopsy needle assembly 100 may be used to obtain a tissue sample and / or biological material from a patient. Embodiments of biopsy needle assembly 100 may be used in conjunction with other instruments inserted in a patient to allow biopsy samples to be obtained from the patient. The instruments may be, but are not limited to, conduits, implant insertion tools and / or endoscopes. Other embodiments of biopsy needle assemblies may be used as stand-alone devices without the biopsy needle assembly being inserted through another instrument. Biopsy needle assembly components may be made of one material or of several different materials. Biopsy needle assembly components may include, but are not limited to, metals, polymers, glass and / or ceramics. Materials used to form biopsy needle assembly components may be provided as sterilized components and / or ...

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Abstract

A biopsy needle assembly may include a sample needle, an actuator and a cutter. A sample needle may include a sample opening. A tissue sample may be positioned in the sample opening when the sample needle is inserted into tissue of a patient. The actuator may be activated to move the cutter relative to the sample needle and separate sample tissue in the sample opening from adjacent tissue. The biopsy needle assembly may be removed from the patient and the sample may be removed from the sample opening. In some embodiments, the sample needle may be inserted in tissue through an instrument (e.g., an endoscope). The biopsy needle assembly may include a sheath that inhibits a sample needle and a cutter from contacting the instrument when the biopsy needle is inserted in the instrument.

Description

PRIORITY CLAIM[0001] This application claims priority to Provisional Patent Application No. 60 / 365,989 entitled "BIOPSY NEEDLE" filed on Mar. 20, 2002.[0002] 1. Field of the Invention[0003] The present invention generally relates to a biopsy needle for obtaining tissue samples. Embodiments of the invention relate to a biopsy needle for obtaining samples from within a patient through an endoscope or other instrument.[0004] 2. Description of Related Art[0005] A biopsy procedure may be performed to determine if suspect cells are diseased or cancerous. The biopsy procedure may involve obtaining a tissue sample and / or body fluids from a patient. Tests performed on the tissue sample and / or body fluids may provide information for diagnosis of the patient's condition.[0006] A biopsy sample may be obtained by invasive surgical procedures. For example, an incision may be made in a patient, a path to suspect cells may be formed by retraction and / or removal of tissue and a sample of suspect cel...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61B10/02A61B1/00A61B10/00A61B10/04
CPCA61B10/0275A61B10/04A61B10/0283
Inventor ANGEL, LUIS F.
Owner BOARD OF RGT THE UNIV OF TEXAS SYST
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